Intra-artery obstruction clearing apparatus and methods

Details Intra-artery obstruction clearing apparatus and methods Intra-artery obstruction clearing apparatus and methods

1995-12-21

1997-05-27

Tucker, Guy V.

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

606170, 604 22, A61B 1732

Patent

active

056327552

ABSTRACT:
Disposable intra-arterial augering and dottering instruments for use in patients in clearing pathways at obstructed or nearly obstructed arterial sites are disclosed. A number of augering tips used on the instruments are disclosed along with a method for releasibly affixing augering tips to the instruments. In addition, a dottering tip is disclosed for use in procedures where it is desired to open a pathway without excising material from the obstructed site. A combined augering and dottering tip is disclosed for a procedure in which material displacement followed by excising of material from within an artery is accomplished without removal of the combined augering and dottering tip until the procedure is complete.

REFERENCES:
patent: 5423799 (1995-06-01), Shiu

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